import React, { createElement } from 'react'
import { render } from 'react-dom'
import './style.css'

// const { createElement } = require("react")
// const { render } = require("react-dom")

// createElement(结构名称, 属性, 子节点)  创建react元素

// render(react元素, 挂载元素, callback)

// function App() {
//     return <div className='box'>
//         我是组件
//     </div>
// }

const oSpan = <span>
    --4567899999998888888888
</span>

// // 虚拟Dom
const oDiv = createElement("div", {
    className: "box"
}, ['123', oSpan])

render(oDiv, document.getElementById("root"), () => {
    console.log('挂载成功')
})
